PipeNode.java :  » Web-Framework » anvil » anvil » script » expression » Java Open Source

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anvil » anvil » script » expression » PipeNode.java
/*
 * $Id: PipeNode.java,v 1.3 2002/09/16 08:05:05 jkl Exp $
 *
 * Copyright (c) 2002 Njet Communications Ltd. All Rights Reserved.
 *
 * Use is subject to license terms, as defined in
 * Anvil Sofware License, Version 1.1. See LICENSE 
 * file, or http://njet.org/license-1.1.txt
 */
package anvil.script.expression;

import anvil.core.Any;
import anvil.core.AnyMap;
import anvil.codec.Code;
import anvil.codec.ConstantPool;
import anvil.script.compiler.ByteCompiler;
import anvil.script.Context;
import java.io.IOException;

/**
 * class MappingNode
 *
 * @author: Jani Lehtimki
 */
public class PipeNode extends BinaryParent
{

  public PipeNode(Node left, Node right) 
  {
    super(left, right);
  }


  public int typeOf() 
  {
    return Node.EXPR_MAPPING;
  }

  
  public Node optimize() 
  {
    optimizeChilds();
    return this;
  }


  public boolean isConstant()
  {
    return false;
  }
  


  public void compile(ByteCompiler context, int operation)
  {
    Code code = context.getCode();
    ConstantPool pool = code.getPool();
    code.aload_first();
    _left.compile(context, GET);
    _right.compile(context, GET);
    code.invokevirtual(pool.addMethodRef(context.TYPE_CONTEXT, 
      "pipe", "(Lanvil/core/Any;Lanvil/core/Any;)Lanvil/core/Any;"));
    if (operation == GET_BOOLEAN) {
      context.any2boolean();
    }
  }

}
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